Aneurysms occur when the walls of blood vessels weaken and start to expand. This happens most often in the aorta, the largest blood vessel in the body. As aneurysms continue to grow, there is increased risk of rupture or leak, which can often be fatal.
Most aortic aneurysms don’t cause any pain and are identified by chance or through screening tests. Very large aneurysm can sometimes cause:
Depending on the size of the aneurysm, overall shape, and individual risk of surgery (ie your other medical conditions), aneurysms can often be: